5355227821 has 2 divisors, whose sum is σ = 5355227822. Its totient is φ = 5355227820.

The previous prime is 5355227803. The next prime is 5355227827. The reversal of 5355227821 is 1287225535.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5135298921 + 219928900 = 71661^2 + 14830^2 .

It is a cyclic number.

It is not a de Polignac number, because 5355227821 - 2⁵ = 5355227789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5355227827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2677613910 + 2677613911.

It is an arithmetic number, because the mean of its divisors is an integer number (2677613911).

Almost surely, 2^5355227821 is an apocalyptic number.

It is an amenable number.

5355227821 is a deficient number, since it is larger than the sum of its proper divisors (1).

5355227821 is an equidigital number, since it uses as much as digits as its factorization.

5355227821 is an evil number, because the sum of its binary digits is even.

The product of its digits is 168000, while the sum is 40.

The square root of 5355227821 is about 73179.4221144168. The cubic root of 5355227821 is about 1749.5484898851.

The spelling of 5355227821 in words is "five billion, three hundred fifty-five million, two hundred twenty-seven thousand, eight hundred twenty-one".